Theater Build FINALLY Moving Forward (Titan 630LX, SHS-24, HTM-10, Volt 10...) - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 13 Old 12-29-2019, 11:27 AM - Thread Starter
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Theater Build FINALLY Moving Forward (Titan 630LX, SHS-24, HTM-10, Volt 10...)

This has been a long time coming for a number of reasons... But I can FINALLY taste it!! New house was finished just over a year ago and the basement dedicated theater room construction is wrapped up. Sealed boxes for the 6 Volt-10's were built prior to the triple green glued drywall and installed in the ceiling for Atmos. Just finished building the 8 HTM-10 flatpacks that will handle surround duty (front wides, front/back side surrounds, and rear surrounds). Xovers are all finished for the Volts, HTM's and Titans (the DIYSG PCB’s are incredible, by the way).

Rack with the XLR's and speaker wiring is finally routed, labeled and complete. Rack consists of Emotiva RMC-1, Emotiva XPA-DR3 (LCR duty), two Emotiva XPA-7's (one for the left side and one for the right side of the non-LCR speakers) and a SpeakerPower SP2-12000-DP (with room and wiring for a 2nd amp in the near future). The side surrounds are currently run on the same signal with y-cables until Emotiva gets their ***** together to bring us the speaker expansion modules, processing to support higher speaker count layouts (i.e. 11.4.6) and Dirac...

The adjacent AV closet houses two racks, one for the theater equipment and the other for home automation/whole house audio/etc. The theater rack has a dedicated 100-amp subpanel with plenty of power on tap - all amps will be run on 240v. I built power cables for them with 10g wire for for the SpeakerPower amp and 12g for the others. Regarding speaker wiring, I have 10g for the LCR, 4 runs of 10g for future subs behind the screenwall, two runs of 10g to the two sub positions at the rear of the theater (for the dual SHS-24's) and 12g to all other speaker locations.

Seating was ordered from Nick at TheaterSeatStore. Went with the Pillow HR. There are two rows of seating with the back row on a riser. Front row is 3 individual seats and back row is 4 connected seats with the outer two seats curved. Expecting these to arrive within the next few weeks. As soon as the seats are on their way, I’m going to order the JVC NX7 projector and a Seymour Center Stage XD Premier 145” 2.35 screen.

On to the Titan and SHS-24 details: I've been reading forum posts and modeling these in my head for over a year now and finally got around to finalizing my plans. The dual woofer Titans were inspired by the build thread that @eng-399 put together and obviously a HUGE thanks to @Erich H and @mtg90 for making the kits possible and answering my many questions! @Ricci at Databass brought me back into reality on the SHS-24 build and I decided sealed would be a better option for me (I had originally planned to go with huge ultra low tuned enclosures). 12 cubic feet on 6000 watts will allow me to use most of the SHS-24’s enormous xmax and give me gobs of bass flat into the single digits. I plan on additional subs up front in the near future, so losing some SPL going sealed vs ported isn’t the end of the world for the first build (famous last words of an AVS DIY member).

DIYSG Dual Woofer Titan “630LX” Enclosures (x3 for LCR):
- Overall Dimensions: 71”H x 20”W x 23.6”D
- 6cf per woofer tuned to ~30Hz
- Port (per woofer): 2.25”H x 18.5”W x 13.43”L
- 1” MDF baffle and ¾” MDF everywhere else
- 10” “dead” space in the base to clear the bottom of my drywalled screenwall

SI SHS-24 Sealed Enclosures (x2):
- Overall Dimensions: 37.75”H x 37.75”W x 21”D
- 12cf internal volume
- 1” MDF double baffle and exterior panels with ¼” rabbets
- ¾” MDF bracing

Here are models of the enclosures from Fusion 360. I'm happy to share the CAD files if anyone wants to build these or check them out closer. My cabinet guy is going to be cutting these panels on the CNC soon and I’ll update this thread with progress. Let me know if you have any questions!
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Last edited by BBLV; 12-29-2019 at 11:30 AM.
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post #2 of 13 Old 12-29-2019, 11:38 AM
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Let's not wade in the shallow end but go full DIY in the deep end. This will be a very impressive theater to say the least. Keep this thread update with lots of pictures.
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post #3 of 13 Old 12-30-2019, 12:39 PM
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Awesome. I assume CNC cut for the boxes?

Roll Tide.
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post #4 of 13 Old 12-30-2019, 12:48 PM
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post #5 of 13 Old 12-30-2019, 02:56 PM
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Quote:
Originally Posted by p3bham View Post
Awesome. I assume CNC cut for the boxes?
Quote:
Originally Posted by BBLV View Post
My cabinet guy is going to be cutting these panels on the CNC soon and I’ll update this thread with progress.
Seems like it.
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post #6 of 13 Old 12-30-2019, 03:06 PM - Thread Starter
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Quote:
Originally Posted by mtg90 View Post
Seems like it.
That's correct - CNC time! Made a few minor tweaks this morning and got the DXF files to my guy today. I added recessed Speakon mount cutouts in the back panels to allow me to place them closer to the walls without the 90 degree Speakon connector hitting, plus 1/2 inch roundovers to the port lips inside and out.
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post #7 of 13 Old 01-12-2020, 12:20 PM - Thread Starter
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CNC guy taking much longer than expected, so I'm working on finishing the angled HTM-10 enclosures for my irregularly shaped front wide columns.

Here are some rack shots, current theater room status shots and a shot of the thick custom entry door (and yes, there is glitter mixed into the black paint in the entry hall to the theater).
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post #8 of 13 Old 01-12-2020, 12:53 PM
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This is awesome! Keep the updates coming
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post #9 of 13 Old 01-16-2020, 12:18 AM
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Nice room! The Titan towers are going to be great I’m happy to see each driver in its own chamber with a port that’s the only thing I would of changed on mine. Looking forward to this thread.
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post #10 of 13 Old 01-16-2020, 06:24 AM
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So those columns are for front left and right??

- 6 x Boston Acoustic CR6 Frankencenter, Boston Acoustic CR8 L/R, 4 jbl 8330a surr , 8 x jbl 12" subs w/Inuke 6000. JVC rs420, Denon x4000, Sony x800 -
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post #11 of 13 Old 01-16-2020, 03:10 PM
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This will be an awesome setup... very excited to see it all come together!

Blister64 Full Basement Build Panasonic PT-AE8000U | Yamaha RX-A3070 | Emotiva XPA-7 Gen3 | DIY Sound Group Ported 1299 TMWW Front Stage | DIY SG Volt 10 Surrounds | Monoprice 8" Alpha In-ceiling Atmos | Three Stereo Integrity HS-24 mkIII's sealed | Sinbosen FP20000Q
YouTube Channel for builds and reviews Life Of Bliss YouTube
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post #12 of 13 Old 01-20-2020, 06:50 PM - Thread Starter
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Been a busy few days, but my CNC guy still hasn't come through with an ETA.... Just got notice that my theater seats have shipped so it lit a fire under me to wrap up the ceiling Volt 10 in-ceiling speakers that were going to be a messy install! My drywallers only cut the drywall flush with the in-ceiling enclosure openings, so I had a to create a jig for my trim router to cut 5/8" deep and a 5/8" larger diameter opening, rig up a dryvac dust capturing solution, modify a drywall bit to cut full depth (the bits have a bearing surface to zip open flush drywall holes, but I needed full depth of cut), and then open up the ceiling holes so that the Volts are recessed and close to flush with the drywall. Worked unbelievably well. Painting the chalky drywall edges, not so fun.... but got it done. I then trimmed the 12g speaker wires and soldered on some spades finished with some heatshrink.

Next ceiling speaker issue to tackle: I didn't drill holes for the drivers, as I didn't have the drivers when I initially built the in-ceiling enclosures. So I traced/cut out a quick template and punched some holes, then held this template up into each ceiling speaker opening, marked and then drilled all of the screw pilot holes. Again, this was something I was not looking forward to doing but turned out going far smoother than expected! I just need some female quick disconnects for the woofers so that I can finish up the crossover-to-driver wires, then the crossovers and drivers get installed! All of my DIYSG kits only came with quick disconnects for the tweeters and I didn't realize it until yesterday when I went to make all of the internal enclosure wires...

I also found the time to finish trimming, sanding and painting (Duratex) all eight of the HTM-10 enclosures. They all got two coats rolled on with a thick nap roller and driver/waveguide openings painted with a small foam brush (https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1). Somehow I only used about 1/4 gallon of Duratex. Only my second time using Duratex, but I was expecting to use quite a bit more. Waiting for these to dry, then painting the backs, installing the crossovers and then sliding them into their final resting places in the pillars! *edit: backs painted and pic added

Might actually get some sound pumping by end of the week. Hard to believe I'm almost there!

P.S. This forum leaves something to be desired when it comes to adding images - some of them have randomly rotated and are out of order *sigh*
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post #13 of 13 Old 01-21-2020, 09:44 AM - Thread Starter
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Here are some pics building the Volt 10 crossovers. I finished all of the crossovers (Titans, HTMs & Volts) in early December, just been too busy with life to get this build finished. Laser focused now!
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